The TruMet PW100 Infrared Optical Rain Gauge is a solid-state precipitation sensor designed to provide accurate and reliable measurement of liquid rainfall without the moving parts found in traditional tipping-bucket gauges. Its optical sensing technology eliminates common issues such as mechanical wear, blockages, and calibration drift, making it well suited for long-term unattended monitoring.
Specifications
| Parameter | Specification |
|---|---|
| Measurement Type | Optical |
| Output | Pulse |
| Tip Size / Pulse Equivalent | 0.1 mm |
| Accuracy | ≤5% |
| Measurement Surface Area | 66 × 20 mm |
| Precipitation Intensity Range | 0–200 mm/hr |
| Precipitation Type | Liquid precipitation |
| Input Voltage | 5–30 V DC |
| Average Current Consumption | Typically ≤24 mA @ 12 V DC |
| Construction | UV-stabilized thermoplastic |
| Mounting | Fits 44.45 mm (1.75 in) pole or mast |
| Weight | 0.67 kg |
| Connector | 8-way M12 |
| Ingress Protection | IP66 |
| Operating Temperature | −35 to +70 °C |
| Measurement Temperature | 0 to +70 °C |
| Storage Temperature | −40 to +70 °C |
| Warranty | 24 months |
| Manufactured | UK |
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